WASHINGTON (AP) - Cybersecurity and intelligence experts say the U.S. is bracing for cyberattacks Iran could launch in retaliation for the re-imposition of sanctions this week by President Donald Trump.

Concern over cyberattacks from Iran has been rising since May when Trump pulled out of the 2015 nuclear deal. Experts say the threat went up Tuesday after Washington reimposed economic sanctions on Tehran.

Iran denies using its cyber capabilities for offensive purposes and accuses the U.S. of targeting Iran.

But a cybersecurity company, Recorded Future, says it has seen an increase in chatter related to Iranian threat activity during the past several weeks.

And the former Iran manager for the U.S. national intelligence director's office, Norm Roule (Rool), says he thinks there is a good chance Iran will retaliate in cyberspace.

Copyright 2018 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.